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Subtract 9/15 from 1/3

1/3 - 9/15 is -4/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 15 is 15
  2. For the 1st fraction, since 3 × 5 = 15,
    1/3 = 1 × 5/3 × 5 = 5/15
  3. Likewise, for the 2nd fraction, since 15 × 1 = 15,
    9/15 = 9 × 1/15 × 1 = 9/15
  4. Subtract the two fractions:
    5/15 - 9/15 = 5 - 9/15 = -4/15

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